820S13B2.EXE    -   AMI BIOS version 1.3B2 (beta     release 04/19/2000)

820S12B5.EXE    -   AMI BIOS version 1.2B5 (beta     release 03/08/2000)

820S-11 .EXE    -   AMI BIOS version 1.1   (official release 12/30/1999)